Finding the Fourth Proportional to 6,985,449.62, 10,478,174.91 and 1,936,760.26
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Solution
The fourth proportional to 6,985,449.62, 10,478,174.91 and 1,936,760.26 is: 2,905,140.52
Step by Step Solution
- Step 1: Write the proportion equation
6,985,449.62 : 10,478,174.91 = 1,936,760.26 : x - Step 2: Convert to fraction form
6,985,449.62/10,478,174.91 = 1,936,760.26/x - Step 3: Cross multiply
6,985,449.62x = 10,478,174.91 × 1,936,760.26 - Step 4: Simplify right side
6,985,449.62x = 20,293,712,763,017.08 - Step 5: Solve for x
x = 20,293,712,763,017.08/6,985,449.62 - Step 6: Final answer
x = 2,905,140.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.